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US3097075A
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Method for producing a graded pulverulent material
Assignee: Buell Engineering Co Inc
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Filing: 1961-07-19
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Granted: 1963-07-09
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Expires: 1981-07-19
Abstract
No abstract record available.
Inventors
- 👤 Vandenhoeck Jean-Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:48
CPC Classifications
B; B07; B07B; B07B9/00; B07B9/02; B04; B04C; B04C9/00; C; C01; C01D; C01D7/00; C01D7/38; B04C2009/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A METHOD OF PRODUCING A GRADED PULVERULENT MATERIAL FROM SOLUTION, THE STEPS COMPRISING CRYSTALLIZING THE MATERIAL FROM SOLUTION, DRYING THE CRYSTALLIZED MATERIAL TO PRODUCE DRY PARTICLES OF MATERIAL, CLASSFYING THE PARTICLES TO SEGREGATE THOSE PARTICLES THAT ARE SMALLER THAN A FIRST REFERENCE PARTICLES, GAS CLASSIFYING THE SEGREGATED PARTICLES INTO PRIMARY AND SECONDARY GROUPS OF PARTICLES LARGER THAN AND SMALLER THAN RESPECTIVELY A SECOND REFERENCE PARTICLE, COMPACTING THE PARTICLES IN THE PRIMARY GROUP TO FORM PARTICLES, AND RETURING THE PARTICLES IN THE FIRST REFERENCE PARTICLE, AND RETURNING THE PARTICLES IN THE SECONDARY GROUP INTO SOLUTION.
Claim 2
Dependent Claim
95 words
IN A METHOD OF PRODUCING A GRADED PULVERULENT MATERIAL FROM SOLUTION, THE STEPS COMPRISING CRYSTALLIZING THE MATERIAL FROM SOLUTION, DRYING THE CRYSTALLIZED MATERIAL TO PRODUCE DRY PARTICLES OF MATERIAL, CLASSFYING THE PARTICLES TO SEGREGATE THOSE PARTICLES THAT ARE SMALLER THAN A FIRST REFERENCE PARTICLES, GAS CLASSIFYING THE SEGREGATED PARTICLES INTO PRIMARY AND SECONDARY GROUPS OF PARTICLES LARGER THAN AND SMALLER THAN RESPECTIVELY A SECOND REFERENCE PARTICLE, COMPACTING THE PARTICLES IN THE PRIMARY GROUP TO FORM PARTICLES, AND RETURING THE PARTICLES IN THE FIRST REFERENCE PARTICLE, AND RETURNING THE PARTICLES IN THE SECONDARY GROUP INTO SOLUTION.
References Cited (Backward Citations)
CA617861A
Cited
US2827366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |